Perhaps you should try some spelling variations:
truong phuong » truong chung, truong trung, quang phuong
dung phuong » dung thuong, bang phuong, dung chung
chieu sang » chieu sach, chieu xanh, hieu lang
thanh dung » thanh duong, thanh tung, thanh hung
hanh dung » anh dung, hanh dong, manh dung
doan toan » dan toan, doan tuan, doanh hoan
ho chieu » theo chieu, hoc thieu, doi chieu
toan cau » toan cao, toan ban, toan tap

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ho chieu sang - ((hanh dung) or (thanh dung)) cua ((truong phuong) OR (dung phuong)) doan toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sang - ((hanh dung) OR (thanh dung)) cua ((truong phuong) OR (dung phuong)) doan toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sang - ((hanh dung) or (thanh dung)) cua ((truong phuong) OR (dung phuong)) doan toan cau".
• Adding a wildcard symbol may retrieve word variants: ho chieu sang - ((hanh dung) or (thanh dung)) cua ((truong phuong) OR (dung phuong)) doan toan cau*.